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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 82-0428838

IDAHO MUSEUM OF MINING AND GEOLOGY

Tax-exempt · BOISE, ID 83712

Address and contacts

Address (IRS master file)
2455 E OLD PENITENTIARY RD, BOISE, ID 83712-8254
In care of
% M CAROL MCDONALD
Mailing address (990-N for 2024)
2455 Old Penitentiary Road, Boise ID 83712
Principal officer (990-N for 2024)
Steve Cox, 2455 Old Penitentiary Road, Boise ID 83712

What it must file and when

IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026Check at the IRS
2024December 31, 2024May 15, 2025990-N on file
2023December 31, 2023May 15, 2024990-N on file

File the 2026 990-EZ for IDAHO MUSEUM OF MINING AND GEOLOGY

Due May 17, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
82-0428838
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (170(b)(1)(A)(vi))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
1996
Accounting year ends
December
Files
Form 990 or 990-EZ
Assets (IRS master file)
$207,041
Income (IRS master file)
$84,144

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2024
Officer: Steve Cox
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Steve Cox
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022December 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2021
Officer: Steve Cox
December 31, 2021≤ $50,000 receipts––e-Postcard
990-EZDecember 2020–––IRS
990-EZDecember 2019–––IRS
990-EZDecember 2018–––IRS
990-N for 2016
Officer: Steve Cox
December 31, 2016≤ $50,000 receipts––e-Postcard

990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 82-0428838).

Questions about IDAHO MUSEUM OF MINING AND GEOLOGY

What is the EIN of IDAHO MUSEUM OF MINING AND GEOLOGY?
The employer identification number (EIN) of IDAHO MUSEUM OF MINING AND GEOLOGY is 82-0428838.
Is IDAHO MUSEUM OF MINING AND GEOLOGY tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1996.
Are donations to IDAHO MUSEUM OF MINING AND GEOLOGY tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does IDAHO MUSEUM OF MINING AND GEOLOGY file?
Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
When is the next return of IDAHO MUSEUM OF MINING AND GEOLOGY due?
The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did IDAHO MUSEUM OF MINING AND GEOLOGY last file with the IRS?
The latest return in the IRS public files is the 990-N for 2024 for the year ended December 31, 2024.
Who is the principal officer of IDAHO MUSEUM OF MINING AND GEOLOGY?
The 990-N for 2024 names Steve Cox.

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